Home / 87,620,502.72-131,402,802.24-30,098,903.36

Finding the Fourth Proportional to 87,620,502.72, 131,402,802.24 and 30,098,903.36

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Solution

The fourth proportional to 87,620,502.72, 131,402,802.24 and 30,098,903.36 is: 45,138,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,620,502.72 : 131,402,802.24 = 30,098,903.36 : x
  2. Step 2: Convert to fraction form
    87,620,502.72/131,402,802.24 = 30,098,903.36/x
  3. Step 3: Cross multiply
    87,620,502.72x = 131,402,802.24 × 30,098,903.36
  4. Step 4: Simplify right side
    87,620,502.72x = 3,955,080,245,854,951.50
  5. Step 5: Solve for x
    x = 3,955,080,245,854,951.50/87,620,502.72
  6. Step 6: Final answer
    x = 45,138,753.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.